1 /*- 2 * Copyright (c) 2025 The FreeBSD Foundation 3 * Copyright (c) 2025 Jean-Sébastien Pédron 4 * 5 * This software was developed by Jean-Sébastien Pédron under sponsorship 6 * from the FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef _LINUXKPI_LINUX_EVENTFD_H_ 31 #define _LINUXKPI_LINUX_EVENTFD_H_ 32 33 #include <sys/eventfd.h> 34 35 #include <linux/wait.h> 36 #include <linux/err.h> 37 #include <linux/percpu-defs.h> 38 #include <linux/percpu.h> 39 #include <linux/sched.h> 40 41 /* 42 * Linux uses `struct eventfd_ctx`, but FreeBSD defines `struct eventfd`. Here, 43 * we define a synonym to the FreeBSD structure. This allows to keep Linux code 44 * unmodified. 45 */ 46 #define eventfd_ctx eventfd 47 48 #define eventfd_ctx_fdget lkpi_eventfd_ctx_fdget 49 struct eventfd_ctx *lkpi_eventfd_ctx_fdget(int fd); 50 51 #define eventfd_ctx_put lkpi_eventfd_ctx_put 52 void lkpi_eventfd_ctx_put(struct eventfd_ctx *ctx); 53 54 #endif /* _LINUXKPI_LINUX_EVENTFD_H_ */ 55